{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513616298",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8c8efd1193154732c41b6dcce3f65eeb6b148182978f65e8cff06c19ba84ca1b",
    "signature": "0x03af5133df59d1cdc100bd8cc3e1accedf892d15e75b3e5f359a324f2a2b1a401b5c9d42c435837a1a67bd770cf4f5d8788fcf9744bc376bed50202aa67b86641c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}